New PC Build - RAM Problen

So this is my first PC build but I'd like to think of myself quite knowledgeable with computers. All built together okay go to turn on the computer and it boot loops, insert the motherboard speaker and it is emitting 3 beeps which I look on the ASRock website and that's UEFI Bios code for RAM problem

Originally I looked on my motherboard's compatiblity list for Ram as I originally bought some Timetec RAM, that wasn't on the list so I thought if I buy the HyperX stuff as stated above then all will be rosey. But however I go to turn it on today with the new memory installed and still the same three beeps and in a boot loop. But I thought that RAM compatibility doesn't matter too much so was perplexed at that myself. I can definitely say I haven't received dead RAM sticks as both the HyperX and Timetec stuff didn't work.

I've tried all four slots individually with each card, literally every combination possible, but to no avail and the same three beeps. I know Ryzen CPUs like slots 2 and 4 but no combination is working.

I'm lost as to what it could be. Have I possibly damaged the slots themselves that the RAM sits in? But I would have thought that would be difficult to do.

I can provide further details and pictures if needed.

Thanks guys I spent a fair bit of money on this and don't want to see it go to waste!

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